Index: include/llvm/IR/IntrinsicsNVVM.td
===================================================================
--- include/llvm/IR/IntrinsicsNVVM.td
+++ include/llvm/IR/IntrinsicsNVVM.td
@@ -4090,6 +4090,12 @@
             [IntrInaccessibleMemOnly, IntrConvergent], "llvm.nvvm.vote.ballot.sync">,
   GCCBuiltin<"__nvvm_vote_ballot_sync">;
 
+// activemask
+def int_nvvm_activemask :
+  Intrinsic<[llvm_i32_ty], [],
+            [IntrInaccessibleMemOnly, IntrConvergent], "llvm.nvvm.activemask">,
+  GCCBuiltin<"__nvvm_vote_activemask">;
+
 //
 // MATCH.SYNC
 //
Index: lib/Target/NVPTX/NVPTX.td
===================================================================
--- lib/Target/NVPTX/NVPTX.td
+++ lib/Target/NVPTX/NVPTX.td
@@ -73,6 +73,8 @@
                              "Use PTX version 6.0">;
 def PTX61 : SubtargetFeature<"ptx61", "PTXVersion", "61",
                              "Use PTX version 6.1">;
+def PTX62 : SubtargetFeature<"ptx62", "PTXVersion", "62",
+                             "Use PTX version 6.2">;
 def PTX63 : SubtargetFeature<"ptx63", "PTXVersion", "63",
                              "Use PTX version 6.3">;
 def PTX64 : SubtargetFeature<"ptx64", "PTXVersion", "64",
Index: lib/Target/NVPTX/NVPTXInstrInfo.td
===================================================================
--- lib/Target/NVPTX/NVPTXInstrInfo.td
+++ lib/Target/NVPTX/NVPTXInstrInfo.td
@@ -142,6 +142,7 @@
 def hasPTX31 : Predicate<"Subtarget->getPTXVersion() >= 31">;
 def hasPTX60 : Predicate<"Subtarget->getPTXVersion() >= 60">;
 def hasPTX61 : Predicate<"Subtarget->getPTXVersion() >= 61">;
+def hasPTX62 : Predicate<"Subtarget->getPTXVersion() >= 62">;
 def hasPTX63 : Predicate<"Subtarget->getPTXVersion() >= 63">;
 
 def hasSM30 : Predicate<"Subtarget->getSmVersion() >= 30">;
Index: lib/Target/NVPTX/NVPTXIntrinsics.td
===================================================================
--- lib/Target/NVPTX/NVPTXIntrinsics.td
+++ lib/Target/NVPTX/NVPTXIntrinsics.td
@@ -274,6 +274,11 @@
 defm VOTE_SYNC_UNI : VOTE_SYNC<Int1Regs, "uni.pred", int_nvvm_vote_uni_sync>;
 defm VOTE_SYNC_BALLOT : VOTE_SYNC<Int32Regs, "ballot.b32", int_nvvm_vote_ballot_sync>;
 
+// activemask.b32
+def ACTIVEMASK : NVPTXInst<(outs Int32Regs:$dest), (ins), "activemask.b32 \t$dest;",
+                             [(set Int32Regs:$dest, (int_nvvm_activemask))]>,
+        Requires<[hasPTX62, hasSM30]>;
+
 multiclass MATCH_ANY_SYNC<NVPTXRegClass regclass, string ptxtype, Intrinsic IntOp,
                           Operand ImmOp> {
   def ii : NVPTXInst<(outs regclass:$dest), (ins i32imm:$mask, ImmOp:$value),
Index: test/CodeGen/NVPTX/activemask.ll
===================================================================
--- /dev/null
+++ test/CodeGen/NVPTX/activemask.ll
@@ -0,0 +1,9 @@
+; RUN: llc < %s -march=nvptx64 -mcpu=sm_30 -mattr=+ptx62 | FileCheck %s
+
+declare i32 @llvm.nvvm.activemask()
+; CHECK-LABEL: .func{{.*}}activemask
+define i32 @activemask() {
+  ; CHECK: activemask.b32
+  %val = call i32 @llvm.nvvm.activemask()
+  ret i32 %val
+}